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  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
    <style></style>
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  <body>
    <table border="1" width="400" height="300" cellspacing="0" cellpadding="0">
      <caption>
        课程表格
      </caption>
      <thead height="50">
        <tr>
          <th>学号</th>
          <th colspan="3">姓名</th>
        </tr>
      </thead>
      <tbody align="center">
        <tr>
          <td rowspan="2">1</td>
          <td>张三</td>
          <td>男</td>
          <td>18</td>
        </tr>
        <tr>
          <td>李四</td>
          <td>女</td>
          <td>19</td>
        </tr>
        <tr>
          <td>3</td>
          <td>王五</td>
          <td>男</td>
          <td rowspan="2">20</td>
        </tr>
        <tr>
          <td>4</td>
          <td>赵六</td>
          <td>女</td>
        </tr>
      </tbody>
      <tfoot align="center">
        <tr>
          <td></td>
          <td></td>
          <td></td>
          <td>共计4人</td>
        </tr>
      </tfoot>
    </table>
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